Tuesday, July 3, 2012
Yamaha XS650 cycle of FOUR O.H.C. ENGINE
This new engine was de-veloped, fully uses Yamahaexperience in the production of four-strokeenginesadopted in contribution to the Toyota 2000GT and Toyota the high-engineismounted performance of double-cradle frame, which features typesteeltube for light weight and high stability. Withacombination with high horsepower and well-balanced transmission, theXS2exhibits outstanding acceleration, which is important toalargedisplacement, sportster of high performance.1)PERFORMANCEIn in order to increase the effectiveness of the inclusion of air-fuel mixture, the combustion chamber is hemispherical. In addition to more sizedvalves theSU type Carburetter is employed. Therefore engineperformanceissteady in the speed range of blank speedto high speed. Mechanism of valve used O.H.C system whichismostsuitable forahigh speed, high power engine. One line endlesschain is usedasthe Cam drive. Chain Guide and the chain tensionerare, used for reducing vibration and noise of the chain of Cam. Control of vibration stabilised speed of actionathigh valve. in addition, double Springs, which are used for valvesin order toprevent surging of valvesathigh RPM.
Download Yamaha XS650 cycle of FOUR O.H.C. ENGINE manual
